12144308 has 12 divisors (see below), whose sum is σ = 23184672. Its totient is φ = 5520120.

The previous prime is 12144289. The next prime is 12144313. The reversal of 12144308 is 80344121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137960 + ... + 138047.

It is an arithmetic number, because the mean of its divisors is an integer number (1932056).

Almost surely, 2^12144308 is an apocalyptic number.

It is an amenable number.

12144308 is a deficient number, since it is larger than the sum of its proper divisors (11040364).

12144308 is a wasteful number, since it uses less digits than its factorization.

12144308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276022 (or 276020 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12144308 is about 3484.8684336715. The cubic root of 12144308 is about 229.8569242481.

Adding to 12144308 its reverse (80344121), we get a palindrome (92488429).

The spelling of 12144308 in words is "twelve million, one hundred forty-four thousand, three hundred eight".